A section of a deck is shaped like a trapezoid. For this section, the length of one base is 61 feet, and the length of the other base is 24 feet. The height is 26 feet. What is the area of this section of the deck? The area for the section of the deck is
ft2.

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

1.multiply and simplify if possible. √7x (√x − 7√7) 2. what is the simplest form of the radical expression? 33√2a−63√2a